I don't see how an investment in such a massive undertaking provides any real benefits.

The construction of which was to be a massive undertaking for a small family firm.

"It was a massive undertaking," she said by phone from the Bahamas.

This is a massive, major undertaking that could take years.

This project is a massive $1.5 billion undertaking involving 500 scientists from 56 institutions and 16 countries.

As anyone who has tried to write the history of a village will know, it is a massive undertaking.

It is a massive undertaking for which we lack the skills.

The expedition, which took place throughout early September 1758 was a massive undertaking.

Madam President, this report is really huge, a massive undertaking.

Still, starting the film over from the 200+ hours was a massive undertaking.